This toolbox talk outlines the prevalence of counterfeit fasteners throughout industry. Counterfeit fasteners are various types of nuts, bolts, and screws that have certain ratings for tensile strength, ductile strength, and shear strength of which we rely to safely affix equipment such as rigging and swing stages. When counterfeit fasteners are used in the workplace, significant harm may come to people and property.
This video presentation has been produced to promote awareness of this very important safety issue. Please visit us at https://www.osha.training.
Here’s the link to more information as published by the US Department of Energy:
https://energy.gov/sites/prod/files/2014/06/f16/SCI_Training_Manual.pdf
This Old House landscaping contractor Roger Cook shows how to construct a wood-timber retaining wall to create a play area. (See below for a shopping list and tools.)
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Full episode: https://www.youtube.com/watch?v=rZqiSuJEz-U&index=9&list=PLkJADc1qDrr8JnEkf1GX2utInAXW6t2XP
How to Repair a Fence Gate: https://www.youtube.com/watch?v=vCNugIF4JHU&list=PLkJADc1qDrr_0NxtmzECiOWkr5de82kXV&index=15
How to Build a Miniature Golf Course: https://www.youtube.com/watch?v=SONWsZw8370&list=PLkJADc1qDrr_0NxtmzECiOWkr5de82kXV&index=2
How to Frame Walls for a Basement Room: https://www.youtube.com/watch?v=aulgjB4rFU0&list=PLkJADc1qDrr_0NxtmzECiOWkr5de82kXV&index=20
Shopping List for How to Build a Timber Retaining Wall:
- 1×3 wood stakes and nylon string, used to establish layout lines for timbers
- 6×8-inch pressure-treated landscaping timbers, used to build retaining wall
- wood preservative, to treat cut ends of timbers
- 3/4-inch stone, used as base and drainage material
- landscaping filter fabric, used to prevent soil from clogging drainpipe
- 4-inch-diameter perforated drainage pipe, for draining water away from retaining wall
- 1/2-inch-diameter (No. 4) x 4-foot-long metal reinforcing bar, used to stake timbers and dead men to ground
- 12-inch landscaping screws, for fastening together the landscaping timbers
- bark mulch, used to cover the ground in front of the retaining wall
Tools for How to Build a Timber Retaining Wall:
- hand tamper, used to compact the soil and stone base
- wheelbarrow, used to transport stone and mulch to jobsite
- shovel, for excavating the ground
- circular saw, used to cut timbers
- impact driver, used to drive landscaping screws into timbers
- drill/driver with 9/16-inch-diameter spade bit, used to bore holes in timbers for rebar stakes
- sledgehammer, used to drive in rebar and wood stakes
- 6-foot level
- torpedo level
- foam paint brush
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